/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { Injectable } from '@angular/core';
import { HttpDownloadProgressEvent } from '@angular/common/http';
import { Subject } from 'rxjs';

@Injectable({ providedIn: 'root' })
export class LivePreviewService {
    public eventSub: Subject<Record<string, any>> = new Subject<
        Record<string, any>
    >();

    convert(event: HttpDownloadProgressEvent) {
        const { partialText } = event;
        if (partialText) {
            const chunks = partialText.split('\n');
            return JSON.parse(chunks[chunks.length - 2]);
        } else {
            return undefined;
        }
    }
}
